| /******************************************************************************* |
| * Copyright (c) 2013 RCP Vision (http://www.rcp-vision.com) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Francesco Guidieri - Initial contribution and API |
| *******************************************************************************/ |
| package org.eclipse.emf.parsley.views; |
| |
| |
| import java.util.Collection; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.edit.command.AddCommand; |
| import org.eclipse.emf.edit.command.CreateChildCommand; |
| import org.eclipse.emf.parsley.edit.ui.dnd.ViewerDragAndDropHelper; |
| import org.eclipse.emf.parsley.menus.ViewerContextMenuHelper; |
| import org.eclipse.emf.parsley.viewers.IStructuredViewerProvider; |
| import org.eclipse.emf.parsley.viewers.IViewerMouseListener; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| |
| /** |
| * A common saveable view based on a viewer. |
| * |
| * @author Francesco Guidieri - Initial contribution and API |
| * @author Lorenzo Bettini - some refactoring |
| */ |
| public abstract class AbstractSaveableViewerView extends AbstractSaveableView implements IStructuredViewerProvider { |
| |
| @Inject |
| private ViewerContextMenuHelper contextMenuHelper; |
| |
| @Inject |
| private ViewerDragAndDropHelper dragAndDropHelper; |
| |
| @Inject |
| private Provider<IViewerMouseListener> viewerMouseListenerProvider; |
| |
| /** |
| * This assumes that the viewer has already been created, that is, |
| * {@link #getViewer()} must not return null. |
| */ |
| protected void afterCreateViewer() { |
| addContextMenuToViewer(); |
| addDragAndDropToViewer(); |
| addMouseListenerToViewer(); |
| setViewerAsSelectionProvider(); |
| } |
| |
| protected void setViewerAsSelectionProvider() { |
| getSite().setSelectionProvider(getViewer()); |
| } |
| |
| @Override |
| protected void postCommandStackChanged(Command mostRecentCommand) { |
| if (mostRecentCommand != null |
| && (mostRecentCommand instanceof CreateChildCommand |
| || |
| mostRecentCommand instanceof AddCommand)) { |
| setSelectionToViewer(mostRecentCommand.getAffectedObjects()); |
| } |
| } |
| |
| protected void setSelectionToViewer(Collection<?> collection) { |
| final Collection<?> theSelection = collection; |
| if (theSelection != null && !theSelection.isEmpty()) { |
| Runnable runnable = new Runnable() { |
| @Override |
| public void run() { |
| // Try to select the items in the current viewer. |
| if (getViewer() != null) { |
| getViewer() |
| .setSelection( |
| new StructuredSelection( |
| theSelection.toArray()), true); |
| } |
| } |
| }; |
| getSite().getShell().getDisplay().asyncExec(runnable); |
| } |
| } |
| |
| protected void addContextMenuToViewer() { |
| contextMenuHelper.addViewerContextMenu(getViewer(), editingDomain, this); |
| } |
| |
| protected void addDragAndDropToViewer() { |
| dragAndDropHelper.addDragAndDrop(getViewer(), editingDomain); |
| } |
| |
| /** |
| * Adds the {@link IViewerMouseListener} specified in the guice module. |
| * |
| * @param viewer |
| */ |
| public void addMouseListenerToViewer() { |
| getViewer().getControl().addMouseListener(viewerMouseListenerProvider.get()); |
| } |
| |
| } |